From the Arabic root ه ر س ‎(h-r-s) "crush, grind, break into pieces".[1]This definition is lacking an etymology or has an incomplete etymology. You can help Wiktionary by giving it a proper etymology.

Another sauce, mainly used as a condiment, is harissa, made from pulverised chillies, garlic, salt and olive oil. Harissa is not generically Moroccan, but nevertheless is often found accompanying tajines and couscous.